Silverfish

Natural Habitat

Damp, dark, and cool areas such as basements, bathrooms, kitchens, and attics; they thrive in high humidity.

Diet & Feeding

Starch-rich items and polysaccharides, including book bindings, glue, paper, photos, sugar, hair, dandruff, and organic debris.

Behavior Patterns

Nocturnal and extremely fast-moving with a fish-like swimming motion. They undergo hemimetabolous metamorphosis (gradual) and can live for several years.

Risks & Benefits

Generally harmless to humans and do not spread disease, but can be significant household pests by damaging books, clothing, and stored food products.

Identified on: 1/4/2026